如(rú )今燕麦草、小杂粮、覆膜马(mǎ )铃(líng )薯等耐旱作物“当家(jiā )”,以水定粮改变了察(chá )汗淖(nào )尔湿地(dì )周(zhōu )边农业形态。庞学峰给记(jì )者算了一笔账:种植燕(yàn )麦(mài )草,只搞(gǎo )“雨养”农业,不使用地(dì )下水。成(chéng )本下降,加上(shàng )轮作和“水改旱”补贴,亩效(xiào )益(yì )可比种甜菜增加200元人民币左右。 -
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